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Home/Regulation Tracker/Japan Copyright Act Article 30-4 — machine-learning exception

Japan Copyright Act Article 30-4 — machine-learning exception

Japan's broad machine-learning copyright exception is the most permissive in a major economy, letting models train on works for information analysis regardless of purpose, though 2024 guidance limits it where outputs reproduce protected expression.

japancopyrightmachine learning exceptiontraining data

Required actions

  • Works may be used without permission for information analysis, including machine-learning training, where the purpose is not to enjoy the expression itself - The exception does not apply where it would unreasonably prejudice the rightholder's interests, such as training on pirated data or to reproduce a creator's style

Sources

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